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Mostrando 1-12 de 166 artigos, teses e dissertações.
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1. Short-term mine scheduling targeting stationary grades
Abstract In short-term mine planning, mining scheduling is generally defined by designing dig-lines, allocated on benches. The mined ore will be sent to stockpiles, homogenization piles, or a concentration plant. The process to design dig-lines is usually done manually, whereby multiple simultaneous mining fronts are time-consuming and labour-intensive. The
REM - International Engineering Journal. Publicado em: 2022
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2. STATISTICAL PROCESS CONTROL APPLIED TO MONITOR LOSSES IN THE MECHANIZED SUGARCANE HARVESTING
ABSTRACT The mechanized sugarcane harvesting process is considered one of the major economic bottlenecks, with low operational efficiency and, mainly, high losses of stalks left in the field. In order to minimize these problems and assist in the improvement of processes, this study aimed to evaluate the losses in the mechanized sugarcane harvesting using sta
Eng. Agríc.. Publicado em: 2020-08
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3. Vínculos entre homeopatia e espiritismo no Rio Grande do Sul na passagem para o século XX
Resumo A prática da homeopatia teve importante desenvolvimento no Brasil na passagem para o século XX. Especialmente do Rio Grande do Sul, estado na região Sul do Brasil, homeopatas conseguiram introduzir suas práticas vinculando-se a uma perspectiva científica que organizou uma proposta de curso superior, mas também a um movimento religioso que divulg
Hist. cienc. saude-Manguinhos. Publicado em: 28/11/2019
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4. LOW EFFICIENCY IN THE USE OF RESEARCH AND DEVELOPMENT RESOURCES IN BRAZILIAN PUBLIC RESEARCH ORGANIZATIONS: CAUSAL CHAINS ANALYSIS1
O paradigma da Inovação Aberta trouxe desafios adicionais ao já complexo cenário brasileiro de CT&I de recursos escassos e políticas públicas ineficazes. As Organizações de Pesquisa Pública (OPPs) enfrentam obstáculos em relação à limitação imposta por sua natureza pública, leis e regulamentos complexos, estrutura tecnológica e organizaciona
REAd. Rev. eletrôn. adm. (Porto Alegre). Publicado em: 25/11/2019
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5. The effectiveness of the parliamentary front on sport in the Brazilian National Congress between the World Cup and the Olympic Games
Resumo Frentes Parlamentares (FP) são instituições suprapartidárias no Congresso Nacional (CN) que visam exercer influência política sobre políticas relativas a um assunto específico. Embora ainda pouco estudadas, as FP proliferaram e seu número atingiu o pico na 54ª legislatura (2011-2015) com 210 Frentes. Neste artigo, analisamos a eficácia da F
Rev. Bras. Ciênc. Polít.. Publicado em: 09/09/2019
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6. Intradisciplinaridade Matemática com GeoGebra na Matemática Escolar
Resumo Neste artigo discutimos o trabalho intradisciplinar na Matemática escolar e trazemos evidências de que o uso do GeoGebra o favorece. Para tanto, questionamos o processo de disciplinarização da ciência, que contribuiu com o aprofundamento das diversas áreas, ao mesmo tempo em que impulsionou uma crescente dissociação entre elas. De igual modo,
Bolema. Publicado em: 2019-04
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7. Pesquisa qualitativa no contexto da Reforma Psiquiátrica brasileira: vozes, lugares, saberes/fazeres
Resumo Objetivou-se apreciar pesquisas qualitativas que tomam por base o contexto da Reforma Psiquiátrica brasileira. Para tanto, realizou-se revisão integrativa nas bases de dados Lilacs e Scielo que resultou na seleção de 25 artigos. Em síntese, os sujeitos das pesquisas são trabalhadores, usuários e familiares; os cenários são predominantemente o
Ciênc. saúde coletiva. Publicado em: 2019-03
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8. Movimiento de las interfases durante la solidificación horizontal de aleaciones estaño-zinc
ABSTRACT Solidification processing is one of the important routes to produce materials, especially metals and alloys. The parameters for the transformation from liquid to solid, such as the temperature gradient, the growth rate, the cooling rate, the interphase velocity, vary from process to process and in one process also as a function of time and space. Th
Matéria (Rio J.). Publicado em: 19/07/2018
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9. CYBER SECURITY GOVERNANCE AND MANAGEMENT FOR SMART GRIDS IN BRAZILIAN ENERGY UTILITIES
ABSTRACT The event of cyber security in critical infrastructures has aroused the interest and the worry of energy utilities, government, regulatory agencies, and consumers as well as of the academic and research institutions. If on one hand it is prominent the vulnerability of the cyberspace, which augments the risk of attacks in the organizational environme
JISTEM J.Inf.Syst. Technol. Manag.. Publicado em: 2017-12
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10. Brazilian clinical engineering regulations: health equipment management and conditions for professional exercise
Abstract Introduction In Brazil, professionals, scientific community, and members of regulatory bodies have not yet achieved a consensus regarding who can legally perform the professional duties of a clinical engineer. We aim at clarifying this aspect, based on a detailed analysis of the pertinent regulations. Methods We acted on three fronts: (i) reviewin
Res. Biomed. Eng.. Publicado em: 13/11/2017
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11. Sustainability in engineering programs in a Portuguese Public University
Abstract Rethink the interventions, human practices and their effects on the natural environment, for the preservation of life and biodiversity, threatened by the capitalist model of production, consumption and disposal, becomes each day more indispensable. The role of universities as knowledge building space is fundamental for the insertion of the environme
Prod.. Publicado em: 01/06/2017
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12. SUSTAINABILITY IN INFORMATION TECHNOLOGY: AN ANALYSIS OF THE ASPECTS CONSIDERED IN THE MODEL COBIT
ABSTRACT Parallel to the development of technology in its different fronts and particularly about the various applications of Information Technology (IT), another trend that has been consolidated in organizations is the search for sustainability. There are initiatives such as Green IT, Sustainable IT, and Green software that combine these two elements (IT an
JISTEM J.Inf.Syst. Technol. Manag.. Publicado em: 2017-04